City of Chicago


312 Area code: Chicago, Cook - Landline

Directory Numbers

How to dial a U.S. number internationally:

  • Start with your country's exit code (e.g., 011 for the U.S. or Canada).
  • Dial the U.S. country code (+1).
  • Dial the 10-digit phone number (area code + local number).

  • 3123450300 | +1 312-345-0300 Illinois U.S.A.
  • 3123450301 | +1 312-345-0301 Illinois U.S.A.
  • 3123450302 | +1 312-345-0302 Illinois U.S.A.
  • 3123450303 | +1 312-345-0303 Illinois U.S.A.
  • 3123450304 | +1 312-345-0304 Illinois U.S.A.
  • 3123450305 | +1 312-345-0305 Illinois U.S.A.
  • 3123450306 | +1 312-345-0306 Illinois U.S.A.
  • 3123450307 | +1 312-345-0307 Illinois U.S.A.
  • 3123450308 | +1 312-345-0308 Illinois U.S.A.
  • 3123450309 | +1 312-345-0309 Illinois U.S.A.
  • 3123450310 | +1 312-345-0310 Illinois U.S.A.
  • 3123450311 | +1 312-345-0311 Illinois U.S.A.
  • 3123450312 | +1 312-345-0312 Illinois U.S.A.
  • 3123450313 | +1 312-345-0313 Illinois U.S.A.
  • 3123450314 | +1 312-345-0314 Illinois U.S.A.
  • 3123450315 | +1 312-345-0315 Illinois U.S.A.
  • 3123450316 | +1 312-345-0316 Illinois U.S.A.
  • 3123450317 | +1 312-345-0317 Illinois U.S.A.
  • 3123450318 | +1 312-345-0318 Illinois U.S.A.
  • 3123450319 | +1 312-345-0319 Illinois U.S.A.
  • 3123450320 | +1 312-345-0320 Illinois U.S.A.
  • 3123450321 | +1 312-345-0321 Illinois U.S.A.
  • 3123450322 | +1 312-345-0322 Illinois U.S.A.
  • 3123450323 | +1 312-345-0323 Illinois U.S.A.
  • 3123450324 | +1 312-345-0324 Illinois U.S.A.
  • 3123450325 | +1 312-345-0325 Illinois U.S.A.
  • 3123450326 | +1 312-345-0326 Illinois U.S.A.
  • 3123450327 | +1 312-345-0327 Illinois U.S.A.
  • 3123450328 | +1 312-345-0328 Illinois U.S.A.
  • 3123450329 | +1 312-345-0329 Illinois U.S.A.
  • 3123450330 | +1 312-345-0330 Illinois U.S.A.
  • 3123450331 | +1 312-345-0331 Illinois U.S.A.
  • 3123450332 | +1 312-345-0332 Illinois U.S.A.
  • 3123450333 | +1 312-345-0333 Illinois U.S.A.
  • 3123450334 | +1 312-345-0334 Illinois U.S.A.
  • 3123450335 | +1 312-345-0335 Illinois U.S.A.
  • 3123450336 | +1 312-345-0336 Illinois U.S.A.
  • 3123450337 | +1 312-345-0337 Illinois U.S.A.
  • 3123450338 | +1 312-345-0338 Illinois U.S.A.
  • 3123450339 | +1 312-345-0339 Illinois U.S.A.
  • 3123450340 | +1 312-345-0340 Illinois U.S.A.
  • 3123450341 | +1 312-345-0341 Illinois U.S.A.
  • 3123450342 | +1 312-345-0342 Illinois U.S.A.
  • 3123450343 | +1 312-345-0343 Illinois U.S.A.
  • 3123450344 | +1 312-345-0344 Illinois U.S.A.
  • 3123450345 | +1 312-345-0345 Illinois U.S.A.
  • 3123450346 | +1 312-345-0346 Illinois U.S.A.
  • 3123450347 | +1 312-345-0347 Illinois U.S.A.
  • 3123450348 | +1 312-345-0348 Illinois U.S.A.
  • 3123450349 | +1 312-345-0349 Illinois U.S.A.
  • 3123450350 | +1 312-345-0350 Illinois U.S.A.
  • 3123450351 | +1 312-345-0351 Illinois U.S.A.
  • 3123450352 | +1 312-345-0352 Illinois U.S.A.
  • 3123450353 | +1 312-345-0353 Illinois U.S.A.
  • 3123450354 | +1 312-345-0354 Illinois U.S.A.
  • 3123450355 | +1 312-345-0355 Illinois U.S.A.
  • 3123450356 | +1 312-345-0356 Illinois U.S.A.
  • 3123450357 | +1 312-345-0357 Illinois U.S.A.
  • 3123450358 | +1 312-345-0358 Illinois U.S.A.
  • 3123450359 | +1 312-345-0359 Illinois U.S.A.
  • 3123450360 | +1 312-345-0360 Illinois U.S.A.
  • 3123450361 | +1 312-345-0361 Illinois U.S.A.
  • 3123450362 | +1 312-345-0362 Illinois U.S.A.
  • 3123450363 | +1 312-345-0363 Illinois U.S.A.
  • 3123450364 | +1 312-345-0364 Illinois U.S.A.
  • 3123450365 | +1 312-345-0365 Illinois U.S.A.
  • 3123450366 | +1 312-345-0366 Illinois U.S.A.
  • 3123450367 | +1 312-345-0367 Illinois U.S.A.
  • 3123450368 | +1 312-345-0368 Illinois U.S.A.
  • 3123450369 | +1 312-345-0369 Illinois U.S.A.
  • 3123450370 | +1 312-345-0370 Illinois U.S.A.
  • 3123450371 | +1 312-345-0371 Illinois U.S.A.
  • 3123450372 | +1 312-345-0372 Illinois U.S.A.
  • 3123450373 | +1 312-345-0373 Illinois U.S.A.
  • 3123450374 | +1 312-345-0374 Illinois U.S.A.
  • 3123450375 | +1 312-345-0375 Illinois U.S.A.
  • 3123450376 | +1 312-345-0376 Illinois U.S.A.
  • 3123450377 | +1 312-345-0377 Illinois U.S.A.
  • 3123450378 | +1 312-345-0378 Illinois U.S.A.
  • 3123450379 | +1 312-345-0379 Illinois U.S.A.
  • 3123450380 | +1 312-345-0380 Illinois U.S.A.
  • 3123450381 | +1 312-345-0381 Illinois U.S.A.
  • 3123450382 | +1 312-345-0382 Illinois U.S.A.
  • 3123450383 | +1 312-345-0383 Illinois U.S.A.
  • 3123450384 | +1 312-345-0384 Illinois U.S.A.
  • 3123450385 | +1 312-345-0385 Illinois U.S.A.
  • 3123450386 | +1 312-345-0386 Illinois U.S.A.
  • 3123450387 | +1 312-345-0387 Illinois U.S.A.
  • 3123450388 | +1 312-345-0388 Illinois U.S.A.
  • 3123450389 | +1 312-345-0389 Illinois U.S.A.
  • 3123450390 | +1 312-345-0390 Illinois U.S.A.
  • 3123450391 | +1 312-345-0391 Illinois U.S.A.
  • 3123450392 | +1 312-345-0392 Illinois U.S.A.
  • 3123450393 | +1 312-345-0393 Illinois U.S.A.
  • 3123450394 | +1 312-345-0394 Illinois U.S.A.
  • 3123450395 | +1 312-345-0395 Illinois U.S.A.
  • 3123450396 | +1 312-345-0396 Illinois U.S.A.
  • 3123450397 | +1 312-345-0397 Illinois U.S.A.
  • 3123450398 | +1 312-345-0398 Illinois U.S.A.
  • 3123450399 | +1 312-345-0399 Illinois U.S.A.